<html>

<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>无标题文档</title>
    <script type="text/javascript">
        function cellkeydown(event) {
            if (event.ctrlKey && event.keyCode == 86) {
                var ss = document.getElementById("textArea");
                // ss.focus();
                ss.select();
                // 等50毫秒，keyPress事件发生了再去处理数据 
                setTimeout("dealwithData()", 50);
            }
        }
        // function dealwithData(event) {
        //     var ss = document.getElementById("textArea");
        //     alert(ss.value);
        //     ss.blur();
        // }
// --></script>
</head>

<body onkeydown="return cellkeydown(event)">

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    <div>
            <textarea id="textArea">

     </div>


<script>
    document.querySelector('body').addEventListener('keydown', function () {
        console.log(111);
    })
    console.log(document.querySelector('body'));
    console.log(document.querySelector('div'));
</script>
</body>
 </html>